🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187

Radius: 14.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.44 AU - 0.64 AU

Year: 265 Days

Day: 14.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,303,973 km

• M1: 179,218 km (0.112 R)
• M2: 637,437 km (0.115 R)
• M3: 1,114,953 km (0.069 R)
• M4: 1,602,792 km (0.108 R)
• M5: 2,099,307 km (0.086 R)
• M6: 2,730,311 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.9

Radius: 10.8

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.99 AU - 1.03 AU

Year: 677 Days

Day: 6 Hours

Environment

Temp: -171 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,303,973 km

• M1: 134,339 km (0.062 R)
• M2: 555,307 km (0.028 R)
• M3: 1,114,205 km (0.085 R)
• M4: 1,505,852 km (0.118 R)
• M5: 2,414,510 km (0.077 R)
• M6: 2,875,271 km (0.099 R)
• M7: 3,340,969 km (0.026 R)
• M8: 4,297,348 km (0.081 R)
• M9: 4,822,587 km (0.119 R)
• M10: 5,208,250 km (0.109 R)
• M11: 6,304,503 km (0.042 R)
• M12: 6,831,237 km (0.117 R)
• M13: 8,216,065 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.2

Radius: 9.4

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.18 AU - 1.18 AU

Year: 855 Days

Day: 13.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,303,973 km

• M1: 116,836 km (0.07 R)
• M2: 482,304 km (0.07 R)
• M3: 889,210 km (0.111 R)
• M4: 1,239,718 km (0.103 R)
• M5: 1,802,954 km (0.058 R)
• M6: 2,344,049 km (0.078 R)
• M7: 2,734,948 km (0.111 R)
• M8: 3,040,577 km (0.093 R)
• M9: 3,549,060 km (0.087 R)
• M10: 3,929,038 km (0.116 R)
• M11: 4,770,975 km (0.083 R)
• M12: 6,253,191 km (0.077 R)
• M13: 6,809,396 km (0.073 R)
• M14: 7,122,355 km (0.092 R)
• M15: 7,729,124 km (0.066 R)
• M16: 8,548,621 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.2

Radius: 11.3

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1 AU - 1.64 AU

Year: 1011 Days

Day: 6.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,303,973 km

• M1: 140,472 km (0.049 R)
• M2: 544,985 km (0.064 R)
• M3: 942,018 km (0.034 R)
• M4: 1,479,523 km (0.072 R)
• M5: 1,878,201 km (0.083 R)
• M6: 2,321,909 km (0.081 R)
• M7: 2,866,594 km (0.074 R)
• M8: 3,716,011 km (0.093 R)
• M9: 4,078,487 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.9

Radius: 11.7

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.43 AU - 1.77 AU

Year: 1350 Days

Day: 14.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,303,973 km

• M1: 145,559 km (0.069 R)
• M2: 533,316 km (0.066 R)
• M3: 995,125 km (0.118 R)
• M4: 1,446,163 km (0.119 R)
• M5: 1,900,641 km (0.118 R)
• M6: 2,474,199 km (0.094 R)
• M7: 3,218,897 km (0.12 R)
• M8: 4,628,109 km (0.039 R)
• M9: 5,012,725 km (0.09 R)
• M10: 5,439,528 km (0.112 R)
• M11: 5,868,575 km (0.045 R)
• M12: 6,273,985 km (0.079 R)
• M13: 6,722,180 km (0.058 R)
• M14: 8,141,864 km (0.084 R)
• M15: 8,820,440 km (0.094 R)
• M16: 9,814,668 km (0.048 R)
• M17: 11,530,854 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.3

Radius: 13.9

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.46 AU - 4.18 AU

Year: 4979 Days

Day: 8.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,303,973 km

• M1: 172,935 km (0.069 R)
• M2: 859,440 km (0.108 R)
• M3: 1,453,643 km (0.106 R)
• M4: 2,016,131 km (0.071 R)
• M5: 2,687,675 km (0.094 R)
• M6: 4,186,347 km (0.111 R)
• M7: 4,662,517 km (0.026 R)
• M8: 5,372,957 km (0.098 R)
• M9: 6,475,194 km (0.063 R)
• M10: 7,080,318 km (0.103 R)
• M11: 7,908,491 km (0.114 R)
• M12: 10,195,544 km (0.088 R)
• M13: 11,204,731 km (0.09 R)
• M14: 15,619,663 km (0.105 R)
• M15: 18,977,986 km (0.118 R)
• M16: 19,800,475 km (0.051 R)
• M17: 20,933,828 km (0.103 R)
• M18: 21,960,818 km (0.105 R)
• M19: 22,714,641 km (0.056 R)
• M20: 25,489,682 km (0.065 R)
• M21: 26,575,763 km (0.119 R)
• M22: 27,173,256 km (0.07 R)
• M23: 30,295,962 km (0.109 R)
• M24: 30,854,411 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.9

Radius: 3.7

Gravity: 71.8 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.03 AU - 11.71 AU

Year: 19127 Days

Day: 18.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 83,303,973 km

• M1: 46,226 km (0.079 R)
• M2: 269,575 km (0.092 R)
• M3: 406,607 km (0.08 R)
• M4: 850,613 km (0.103 R)
• M5: 1,032,824 km (0.106 R)
• M6: 1,211,444 km (0.081 R)
• M7: 1,758,673 km (0.091 R)
• M8: 2,408,227 km (0.077 R)
• M9: 2,648,331 km (0.106 R)
• M10: 3,494,756 km (0.118 R)
• M11: 5,700,726 km (0.115 R)
• M12: 5,911,061 km (0.109 R)
• M13: 6,852,031 km (0.11 R)
• M14: 7,284,369 km (0.107 R)
• M15: 8,690,140 km (0.116 R)
• M16: 9,025,389 km (0.096 R)
• M17: 11,551,349 km (0.078 R)
• M18: 14,049,783 km (0.075 R)
• M19: 20,666,796 km (0.1 R)
• M20: 23,765,417 km (0.067 R)
• M21: 25,311,810 km (0.118 R)
• M22: 29,095,888 km (0.071 R)
• M23: 29,468,836 km (0.046 R)
• M24: 30,351,463 km (0.109 R)
• M25: 32,701,646 km (0.106 R)
• M26: 33,104,812 km (0.056 R)
• M27: 37,466,787 km (0.099 R)
• M28: 39,556,220 km (0.11 R)
• M29: 41,879,774 km (0.105 R)
• M30: 43,802,855 km (0.107 R)
• M31: 44,786,162 km (0.109 R)
• M32: 46,457,469 km (0.108 R)
• M33: 52,084,443 km (0.114 R)
• M34: 57,952,420 km (0.093 R)
• M35: 61,350,087 km (0.081 R)
• M36: 67,015,209 km (0.094 R)
• M37: 71,204,099 km (0.093 R)
• M38: 73,937,700 km (0.165 R)
• M39: 74,864,310 km (0.061 R)
• M40: 78,407,685 km (0.027 R)
• M41: 80,586,578 km (0.068 R)
• M42: 81,321,702 km (0.069 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 19,463 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit